Malicious PDF — malware analysis report

Static analysis result for SHA-256 addfe62d40dabe80…

MALICIOUS

PDF

43.6 KB Created: 2020-08-04 12:25:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 96e478988d45f69a689a07a9c6b13814 SHA-1: 4d98c09bd6221e7cb9f1e9215f9e02827d12eefe SHA-256: addfe62d40dabe8083e75b8fadce95370bc4f784940a11488845a5e9536182c3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is used to redirect users, likely to a phishing or malware distribution site. The document body, though partially corrupted, contains the title 'Angulos en la circunferencia pdf' and mentions 'wkhtmltopdf', suggesting it's a lure document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=angulos+en+la+circunferencia+pdf In PDF document text
    • http://files.klv53.com/uploads/1/3/1/6/131607062/4783390.pdfIn PDF document text
    • http://files.lorettacrogersnovels.com/uploads/1/3/1/1/131163833/sarijezerevabe_riwujege_nupetis.pdfIn PDF document text
    • http://files.lovolutionofkindness.com/uploads/1/3/0/8/130815437/vuzelifizod.pdfIn PDF document text
    • http://files.nwdoulaconference.com/uploads/1/3/1/8/131856122/a316e759d443b4.pdfIn PDF document text
    • http://files.willowbendsoapshop.com/uploads/1/3/0/8/130874067/dopiladamenewasutera.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/zamufok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52325197595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6854/5441/files/94806619391.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3127/3365/files/wediwefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8207/2732/files/vepajulax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6943/2230/files/penovemi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7901/6360/files/94877776486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0006/2367/files/difference_between_receptive_and_expressive_language.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8038/4674/files/47059163779.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9698/1147/files/tonarazeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2050/9596/files/9954569983.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006497.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6497 5312 bytes
SHA-256: e9877c0f7ff748a6f3c234965e9e32cfef729061036bcec206113c31c190e2d6
font_01_sfnt_off000076bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76BD 13540 bytes
SHA-256: 33bd9efc01517173a653daa0fa36a75b9eddb8b825d75adfee88cb02fdbd2468

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